... ) infections (JE, St. Louis encephalitis, Murray Valley encephalitis, and Kunjin (a WNV subtype)) and it is interesting to note that these viruses are so closely related that they often require specialized tests to differentiate them (Yang 2001). The incursion of these Flaviviruses into new areas is likely to continue through the advancement of international commerce and trade. Diseases that were once known ... epidemiologic trends suddenly appeared (Peterson 2001). These trends included an increase in the frequency of outbreaks in humans and horses, an apparent increase in severe human ...

• Word Count: 1904
• Approx Pages: 8
• Grade Level: Graduate